MONDAY, JANUARY 15 DAVOS, SWITZERLAND: Start of the annual meeting of the World Economic Forum (until January 19); the WEF is considered one of the most important meeting places for top politicians, leading executives and scientists tackling global challenges BERLIN: Germany reveals its gross domestic product for the whole of 2023 with its economic lagging compared to other European countries DES MOINES, IOWA: First US Republican primary, ahead of November’s presidential elections; former president Donald Trump is far ahead of the field according to the polls are to be believed BERLIN: Farmers…